Re: [PATCH 1/2] sched/fair: Remove SCHED_FEAT(UTIL_EST_FASTUP, true)

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On Fri, Dec 1, 2023 at 4:30 AM Hongyan Xia <hongyan.xia2@xxxxxxx> wrote:
>
> Here it is in case you have to provide the translation:
>
> diff --git a/Documentation/translations/zh_CN/scheduler/schedutil.rst
> b/Documentation/translations/zh_CN/scheduler/schedutil.rst
> index d1ea68007520..7c8d87f21c42 100644
> --- a/Documentation/translations/zh_CN/scheduler/schedutil.rst
> +++ b/Documentation/translations/zh_CN/scheduler/schedutil.rst
> @@ -89,16 +89,15 @@
> r_cpu被定义为当前CPU的最高性能水平与系统中任何其它CPU的最
>    - Documentation/translations/zh_CN/scheduler/sched-capacity.rst:"1.
> CPU Capacity + 2. Task utilization"
>
>
> -UTIL_EST / UTIL_EST_FASTUP
> -==========================
> +UTIL_EST
> +========
>
>
> 由于周期性任务的平均数在睡眠时会衰减,而在运行时其预期利用率会和睡眠前相同,
>   因此它们在再次运行后会面临(DVFS)的上涨。
>
>   为了缓解这个问题,(一个默认使能的编译选项)UTIL_EST驱动一个无限脉冲响应
>   (Infinite Impulse Response,IIR)的EWMA,“运行”值在出队时是最高的。
> -另一个默认使能的编译选项UTIL_EST_FASTUP修改了IIR滤波器,使其允许立即增加,
> -仅在利用率下降时衰减。
> +UTIL_EST滤波使其在遇到更高值时立刻增加,而遇到低值时会缓慢衰减。
>

Hi Hongyan,

Thanks for your Chinese documentation translation!

For the translation:
Reviewed-by: Tang Yizhou <yizhou.tang@xxxxxxxxxx>

Thanks,
Yizhou




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